Home / 50,474.30-75,709.10-18,882.06

Finding the Fourth Proportional to 50,474.30, 75,709.10 and 18,882.06

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Solution

The fourth proportional to 50,474.30, 75,709.10 and 18,882.06 is: 28,322.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,474.30 : 75,709.10 = 18,882.06 : x
  2. Step 2: Convert to fraction form
    50,474.30/75,709.10 = 18,882.06/x
  3. Step 3: Cross multiply
    50,474.30x = 75,709.10 × 18,882.06
  4. Step 4: Simplify right side
    50,474.30x = 1,429,543,768.75
  5. Step 5: Solve for x
    x = 1,429,543,768.75/50,474.30
  6. Step 6: Final answer
    x = 28,322.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.